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python Programming Glossary: matAnimate quadratic grid changes (matshow) http://stackoverflow.com/questions/10429556/animate-quadratic-grid-changes-matshow quadratic grid changes matshow I have a NxN grid with some.. quadratic grid changes matshow I have a NxN grid with some values which change every time.. a way to plot a single grid configuration of this with matshow function but I don't know how do I update the status with..
Python: how do you store a sparse matrix using python? http://stackoverflow.com/questions/5164106/python-how-do-you-store-a-sparse-matrix-using-python how do you store a sparse matrix using python I have got an output using sparse matrix in.. matrix using python I have got an output using sparse matrix in python i need to store this sparse matrix in my hard disk.. using sparse matrix in python i need to store this sparse matrix in my hard disk how can i do it if i should create a database..
SQLite Performance Benchmark — why is :memory: so slow…only 1.5X as fast as disk? http://stackoverflow.com/questions/764710/sqlite-performance-benchmark-why-is-memory-so-slow-only-1-5x-as-fast-as-d os import time import sqlite3 import numpy as np def load_mat conn mat c conn.cursor #Try to avoid hitting disk trading safety.. time import sqlite3 import numpy as np def load_mat conn mat c conn.cursor #Try to avoid hitting disk trading safety for.. c.execute 'create index id2_index on demo id2 ' for row in mat c.execute 'insert into demo values ' row 0 row 1 row 2 conn.commit..
http://stackoverflow.com/questions/874461/read-mat-files-in-python .mat files in Python Does anyone have successful experience reading.. anyone have successful experience reading binary Matlab .mat files in Python I've seen that scipy has alleged support for.. I've seen that scipy has alleged support for reading .mat files but I'm unsuccessful with it. I installed scipy version..
Writing Python bindings for C++ code that use OpenCV http://stackoverflow.com/questions/12957492/writing-python-bindings-for-c-code-that-use-opencv difficulties returning the result which is a OpenCV C Mat object to the python interpreter. I've looked at OpenCV's source.. conversions to and fro between PyObject and OpenCV's Mat. I made use of those conversions functions but got a segmentation.. OpenCV specifically with the ability to return OpenCV's C Mat to the python interpreter or perhaps suggestions on how where..
Unrecognized or unsupported array type in function cvGetMat in python opencv http://stackoverflow.com/questions/14155081/unrecognized-or-unsupported-array-type-in-function-cvgetmat-in-python-opencv or unsupported array type in function cvGetMat in python opencv I am trying to code in python opencv 2.4.3.. Unrecognized or unsupported array type in function cvGetMat I am not understanding what does that mean Can anybody help.. is Unrecognized or unsupported array type in function cvGetMat . The cvGetMat function converts arrays into a Mat . A Mat is..
How to determine a region of interest and then crop an image using OpenCV http://stackoverflow.com/questions/15693900/how-to-determine-a-region-of-interest-and-then-crop-an-image-using-opencv erosion operation. After that a simple iteration on the Mat to find for the corner pixels is trivial and I talked about.. cv.h #include highgui.h int main int argc char argv cv Mat img cv imread argv 1 std cout Original image size img.size std.. std cout Original image size img.size std endl Convert RGB Mat to GRAY cv Mat gray cv cvtColor img gray CV_BGR2GRAY std cout..
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